NPPES file of Aug 9, 2026

Mark Dwayne Asmussen, P.A.

Physician Assistant · Brenham, TX

Mark Dwayne Asmussen, P.A. is a physician assistant with a practice address in Brenham, Texas, and NPI 1134427602, issued on Mar 8, 2011. Check the license (Texas PA07059, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134427602
Name
Mark Dwayne Asmussen
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
PA07059 TX
Self-reported in NPPES; status is on the state search
Practice location
600 N Park St, Brenham, TX 77833
Phone
(979) 836-6153
Enumerated
Mar 8, 2011
Record last updated
Sep 8, 2025
Fax
(979) 277-9074
Medicaid ID
309349401 TX
Medicare enrollment
Enrolled (PECOS I20110606000262); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 N Park St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brianne Addicks, ANPAdult Health Nurse Practitioner1790983062
  2. Eric Alford, MDFamily Medicine Physician1235424029
  3. Katherine Alford, PA-CPhysician Assistant1063699866
  4. Kenneth Baker, MDPediatrics Physician1619970720
  5. Cassandra Bryant, MDPediatrics Physician1174526263
  6. Aaron Campbell, M.DObstetrics & Gynecology Physician1710088190

Verify Mark Dwayne Asmussen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license PA07059
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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2.1 times the Medicare Part D claims of the average physician assistant in 2024

1,703 Medicare Part D claims for 551 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Mark Asmussen1,703
  2. Specialty average830

Most prescribed

  1. Methylprednisolone104 claims
  2. Azithromycin53 claims
  3. Doxycycline Monohydrate53 claims
  4. Levothyroxine Sodium52 claims
  5. Rosuvastatin Calcium51 claims
  6. Atorvastatin Calcium49 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Houston Methodist Specialty PhysiciansHouston, TX
  2. Scott And White ClinicCollege Station, TX
  3. Tmh Physician Associates PLLCHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Dwayne Asmussen among 10,999 physician assistant records in Texas

Mark Dwayne Asmussen, P.A. is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 30% of them.

  • NPI issued2011 · 30% of these records are older, 67% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2010 · median 2017 among the 6,096 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 physician assistant records list a practice address in Brenham

They are 11 of the 305 NPPES records with a practice address in Brenham, and 10,999 physician assistant records in Texas.

The 8 physician assistant records with the nearest ZIP codes

  1. Linda Aldama, PABrenham, TX 778331427200278
  2. Katherine Alford, PA-CBrenham, TX 778331063699866
  3. Matthew Boutte, PA-C, MPASBrenham, TX 778331457589558
  4. Mark Clancy, PABrenham, TX 778331609507334
  5. Dan Davis, PA-CBrenham, TX 778331942224852
  6. Kristin Krenek, PA-CBrenham, TX 778331922200914
  7. Michelle Kuhn, PA-CBrenham, TX 778331316961246
  8. Kristen Meaders, PA-CBrenham, TX 778331356451819

Common questions

What is Mark Dwayne Asmussen, P.A.'s NPI number?

Mark Dwayne Asmussen, P.A.'s National Provider Identifier (NPI) is 1134427602, issued on Mar 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Dwayne Asmussen, P.A. located?

The NPPES record lists a practice address at 600 N Park St, Brenham, TX, 77833. Phone: (979) 836-6153. Providers update this record themselves, so call before visiting.

How can I verify Mark Dwayne Asmussen, P.A.'s license?

NPPES lists Texas license number PA07059, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Dwayne Asmussen, P.A. prescribe under Medicare Part D?

In 2024, Mark Dwayne Asmussen, P.A. had 1,703 Medicare Part D claims for 551 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.